CISTACE^E 35 



hill-sides ; flowers yellow, occasionally rose-coloured (var. 

 roseum, PI. 9), especially in the Pyrenees, or white. H. 

 polifolium, Pers. ; flowers white, sepals tomentose, leaves 

 hoary on both sides ; Ticino, Jura, rare. 



B. Leaves without stipules : H. alpestre, Rchb. 

 (celandicum, DC.) ; flowers yellow, leaves slightly hairy ; 

 high elevations ; Alps, Ticino, and Pyrenees. H. canum, 

 Dun. (vineale, Pers.); flowers small, yellow, calyx hairy, 

 leaves hoary beneath ; at lower elevations ; Jura, 

 Dauphiny, Pyrenees. H. Fumana, Mill. (Fumana pro- 

 cumbens, G. and G.) ; capsule partially 3-celled, stamens 

 20-40, the outer ones sterile; Jura, Ticino, Dauphiny, 

 Pyrenees. Several other species occur in the Pyrenean 

 valleys. 



Order IX. VIOLACE^E. 



Leaves stipulate, axillary and solitary, or in small 

 cymes, with two small bracts ; calyx and corolla usually 

 irregular; seed-vessel a i-celled 3-valved capsule, with 

 three parietal placentae. A rather large order, distri- 

 buted through the temperate and tropical regions of the 

 globe. 



i. VIOLA, L. 



Flowers solitary or in pairs; sepals unequal; petals 

 unequal, the lower ones larger and spurred at the base ; 

 anthers sessile, the two lower ones often with appendages 

 projecting into the spur of the corolla. 



A. Stipules not leafy; upper petals directed forwards; 

 stigma beaked. The species of this section commonly 

 produce closed apetalous flowers in the autumn, which are 

 fertile. It includes the following familiar English species : 



